<template> 
    <div class="back-top">
        top
    </div>
</template>



<script>

export default {
    name: 'BackTop'
}
</script>

<style scoped>
    .back-top {
        background: white;
        color: red;
        line-height: 40px;
        text-align: center;
        width: 40px;
        height: 40px;
        font-size: 16px;
        border-radius:26px;
        border: 2px solid black;
        z-index: 2;
        position: fixed;
        right: 10px;
        bottom: 70px;
    }
</style>